Table 1.

Sample size Estimation based on key clinical determinants of maternal mortality among obstetric ICU admissions at WSUCSH, 2024

Variables	Proportion of cases exposed		Proportion of control exposed	Cases from sample size with cc	Controls from sample size with cc	Total sample size With cc	Reference
Sever preeclampsia		34.7%	14%	55	110	165	[17]
Absence of ANC follow up		14.7%	6%	153	305	458	[17]
Puerperal sepsis		22.7%	12%	156	312	468	[17]
Co-morbidity		38.7%	15.3%	46	92	138	[17]
GCS < 9		24%	8%	67	133	200	[17]
GCS 9–12		38.7%	23.3%	103	206	338	[17]